v0.21.0

What's Changed

• [improve] Reduce unnecessary creation of retry topics and DLQ topics (#1459) by @zjxxzjwang
• [feat] Add offload policies API and tests to pulsaradmin (#1512) by @freeznet
• [fix] Escape configuration values in UpdateDynamicConfiguration (#1505) by @Demogorgon314
• [chore] Update Go to 1.25 and update the linter (#1515) by @kellyfj
• [improve] Implement tls_client_auth for OAuth2 (#1514) by @izumo27
• [chore] Update Testcontainers and change the Docker dependency to Moby (#1513) by @kellyfj
• [docs] Add chunking documentation for DLQ/RLQ and integration tests (#1511) by @geniusjoe
• [fix] Add bounds check for partition index int32 conversion (#1517) by @merlimat

New Contributors

• @zjxxzjwang made their first contribution in #1459
• @kellyfj made their first contribution in #1515